socsvn commit: r238286 - in soc2012/jhagewood/diff: . diff

jhagewood at FreeBSD.org jhagewood at FreeBSD.org
Mon Jun 25 21:14:10 UTC 2012


Author: jhagewood
Date: Mon Jun 25 21:14:08 2012
New Revision: 238286
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=238286

Log:

Modified:
  soc2012/jhagewood/diff/diff/diffreg.c
  soc2012/jhagewood/diff/hagewood-diff.patch

Modified: soc2012/jhagewood/diff/diff/diffreg.c
==============================================================================
--- soc2012/jhagewood/diff/diff/diffreg.c	Mon Jun 25 20:56:32 2012	(r238285)
+++ soc2012/jhagewood/diff/diff/diffreg.c	Mon Jun 25 21:14:08 2012	(r238286)
@@ -1344,6 +1344,9 @@
 	return (sum == 0 ? 1 : sum);
 }
 
+/*
+ * Checks if an open file is a text file.
+ */
 static int
 istextfile(FILE *f)
 {
@@ -1353,6 +1356,9 @@
 	if (aflag || f == NULL)
 		return (1);
 	rewind(f);
+	/* If the first 4 bytes of the file are the same as the first 4 bytes of
+	 * an ELF file header, return 0.
+	 */
 	fread(buf, 1, sizeof(buf), f);
 		if(buf[0] == 0x7F && buf[1] == 0x45 &&
 			buf[2] == 0x4C && buf[3] == 0x46)

Modified: soc2012/jhagewood/diff/hagewood-diff.patch
==============================================================================
--- soc2012/jhagewood/diff/hagewood-diff.patch	Mon Jun 25 20:56:32 2012	(r238285)
+++ soc2012/jhagewood/diff/hagewood-diff.patch	Mon Jun 25 21:14:08 2012	(r238286)
@@ -537,7 +537,7 @@
  	if (stat(path1, &stb1) != 0) {
 diff -rupN jhagewood/diff/diff-orig/diffreg.c jhagewood/diff/diff/diffreg.c
 --- jhagewood/diff/diff-orig/diffreg.c	2012-06-25 16:05:53.000000000 -0400
-+++ jhagewood/diff/diff/diffreg.c	2012-06-25 19:58:16.000000000 -0400
++++ jhagewood/diff/diff/diffreg.c	2012-06-25 21:14:04.000000000 -0400
 @@ -62,15 +62,13 @@
   *	@(#)diffreg.c   8.1 (Berkeley) 6/6/93
   */
@@ -1042,9 +1042,13 @@
  
  	sum = 1;
  	space = 0;
-@@ -1306,18 +1345,17 @@ readhash(FILE *f)
+@@ -1305,19 +1344,24 @@ readhash(FILE *f)
+ 	return (sum == 0 ? 1 : sum);
  }
  
++/*
++ * Checks if an open file is a text file.
++ */
  static int
 -asciifile(FILE *f)
 +istextfile(FILE *f)
@@ -1061,13 +1065,16 @@
 -	cnt = fread(buf, 1, sizeof(buf), f);
 -	for (i = 0; i < cnt; i++)
 -		if (!isprint(buf[i]) && !isspace(buf[i]))
++	/* If the first 4 bytes of the file are the same as the first 4 bytes of
++	 * an ELF file header, return 0.
++	 */
 +	fread(buf, 1, sizeof(buf), f);
 +		if(buf[0] == 0x7F && buf[1] == 0x45 &&
 +			buf[2] == 0x4C && buf[3] == 0x46)
  			return (0);
  	return (1);
  }
-@@ -1327,10 +1365,10 @@ asciifile(FILE *f)
+@@ -1327,10 +1371,10 @@ asciifile(FILE *f)
  static char *
  match_function(const long *f, int pos, FILE *file)
  {
@@ -1082,7 +1089,7 @@
  
  	lastline = pos;
  	while (pos > last) {
-@@ -1342,7 +1380,6 @@ match_function(const long *f, int pos, F
+@@ -1342,7 +1386,6 @@ match_function(const long *f, int pos, F
  		if (nc > 0) {
  			buf[nc] = '\0';
  			buf[strcspn(buf, "\n")] = '\0';
@@ -1090,7 +1097,7 @@
  			if (isalpha(buf[0]) || buf[0] == '_' || buf[0] == '$') {
  				if (begins_with(buf, "private:")) {
  					if (!state)
-@@ -1373,9 +1410,9 @@ static void
+@@ -1373,9 +1416,9 @@ static void
  dump_context_vec(FILE *f1, FILE *f2)
  {
  	struct context_vec *cvp = context_vec_start;
@@ -1103,7 +1110,7 @@
  
  	if (context_vec_start > context_vec_ptr)
  		return;
-@@ -1390,8 +1427,8 @@ dump_context_vec(FILE *f1, FILE *f2)
+@@ -1390,8 +1433,8 @@ dump_context_vec(FILE *f1, FILE *f2)
  	if (pflag) {
  		f = match_function(ixold, lowa-1, f1);
  		if (f != NULL) {
@@ -1114,7 +1121,7 @@
  		}
  	}
  	printf("\n*** ");
-@@ -1478,9 +1515,9 @@ static void
+@@ -1478,9 +1521,9 @@ static void
  dump_unified_vec(FILE *f1, FILE *f2)
  {
  	struct context_vec *cvp = context_vec_start;
@@ -1127,7 +1134,7 @@
  
  	if (context_vec_start > context_vec_ptr)
  		return;
-@@ -1491,19 +1528,19 @@ dump_unified_vec(FILE *f1, FILE *f2)
+@@ -1491,19 +1534,19 @@ dump_unified_vec(FILE *f1, FILE *f2)
  	lowc = MAX(1, cvp->c - context);
  	upd = MIN(len[1], context_vec_ptr->d + context);
  
@@ -1153,7 +1160,7 @@
  
  	/*
  	 * Output changes in "unified" diff format--the old and new lines
-@@ -1551,16 +1588,43 @@ dump_unified_vec(FILE *f1, FILE *f2)
+@@ -1551,16 +1594,43 @@ dump_unified_vec(FILE *f1, FILE *f2)
  static void
  print_header(const char *file1, const char *file2)
  {


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